The answer would be letter A. Expressed powers are those that are specifically granted in the Constitution. Expressed powers are also known as delegated powers or enumerated powers. The Congress is the most powerful branch and has expressed powers which are pointed out in the Article I, Section 8.
Answer:
This is a demand side market failure
Explanation:
Demand side market failure occurs when the business owner selling a particular product is not able to make the buyer pay for that particular product even though it may be in demand around that time.
Example are the Christmas decorations even though they are in demand around Christmas but the fact that they are decorating all over the most places, one can not charge people from looking and enjoying these decorations because they are usual all over the place .
Another example is also fireworks which are fired around Christmas everyone can enjoy them without having paid for them.
The answer is, The McCarran-Walter Act of 1952. Hope I Helped!